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Finding the Third Proportional to 1,864,785.75 and 2,879,556

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Solution

The third proportional to 1,864,785.75 and 2,879,556 is: 4,446,539.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,785.75 : 2,879,556 = 2,879,556 : x
  2. Step 2: Convert to fraction form
    1,864,785.75/2,879,556 = 2,879,556/x
  3. Step 3: Cross multiply
    1,864,785.75x = 2,879,556 × 2,879,556
  4. Step 4: Simplify right side
    1,864,785.75x = 8,291,842,757,136
  5. Step 5: Solve for x
    x = 8,291,842,757,136/1,864,785.75
  6. Step 6: Final answer
    x = 4,446,539.10

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.